在Cisco路由器上建立一个名为zw246的DHCP地址池,地址池的IP地址是176.115.246.0/24,其中不用于动态分配的地址有176.115.246.2-176.115.246.10,缺省网关为176.115.246.1,域名为tj.edu.c

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问题 在Cisco路由器上建立一个名为zw246的DHCP地址池,地址池的IP地址是176.115.246.0/24,其中不用于动态分配的地址有176.115.246.2-176.115.246.10,缺省网关为176.115.246.1,域名为tj.edu.cn,域名服务器地址为176.115.129.26,地址租用时间设定为6小时30分钟。下列DHCP地址池的配置,正确的是(    )。

选项 A、Router(config)#ip dhcp pool zw246   
Router(dhcp—config)#ip dhcp excluded—address 176.115.246.2 176.115.246.10   
Router(dhcp—config)#network 176.115.246.0 255.255.255.0   
Router(dhcp—config)#default—router 176.115.246.1   
Router(dhcp—config)#domain—name tj.edu.cn   
Router(dhcp—config)#dns—server address 176.115.129.26   
Router(dhcp—config)#lease 0 6 30
B、Router(config)#ip dhcp excluded—address 176.115.246.2—10   
Router(config)#ip dhcp pool zw246   
Router(dhcp—config)#network 176.115.246.0 255.255.255.0   
Router(dhcp—con_fig)#default—router 176.115.246.1   
Router(dhcp—config)#domain—name tj.edu.cn   
Router(dhcp—config)#dns—server address 176.115.129.26   
Router(dhcp-config)#lease 0 6 30
C、Router(eonfig)#ip dhcp excluded—address 176.1 15.246.2 176.1 15.246.10   
Router(config)#ip dhcp pool zw246   
Router(dhcp—config)#network 176.1 15.246.0 255.255.255.0   
Router(dhcp—config)#default—router 176.115.246.1   
Router(dhcp—config)#domain—name tj.edu.cn   
Router(dhcp—eonfig)#dns—server address 176.115.129.26   
Router(dhep—eonfig)#lease 0 6 30
D、Router(eonfig)#ip dhep excluded·address 176.115.246.2 176.115.246.10   
Router(eonfig)#ip dhcp pool zw246   
Router(dhep—eonfig)#network 176.115.246.0 255.255.255.0   
Router(dhep—eonfig)#default—router 176.115.246.1   
Router(dhcp—eonfig)#domain—name tj.edu.cn   
Router(dhep—eonfig)#dns—server address 176.115.129.26   
Router(dhep—eonfig)#lease 30 6 0

答案C

解析 cisco路由器DHcP地址池的配置:步骤一:首先排除不用于动态分配的地址(config)#ip dhcp excluded—address 176.115.246.2 176.115.246.10步骤二:配置一个名为zw246的DHCP地址池(config)#ip dhcp pool zw246步骤三:配置IP地址池的子网地址和子网掩码(dhcp-config)#network 176.115.246.0  255.255.255.0步骤四:配置缺省网关(dhcp—config)#default—router 176.115.246.1步骤五:配置IP地址池的域名(dhcp—config)#domain—name tj.edu.cn步骤六:配置域名服务器的IP地址(dhcp-config)#dns—setver address 176.115.129.26步骤七:配置租借期为6小时30分钟(dhcp—config)#lease 0 6 30,格式为:lease天数小时数分钟数因此选择C选项。
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